JDK-7009379 : G1: Dtrace probes in G1 are not correct
- Type: Bug
- Component: hotspot
- Sub-Component: gc
- Affected Version: 7
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- OS: generic
- CPU: x86
- Submitted: 2010-12-28
- Updated: 2015-11-20
- Resolved: 2014-08-20
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| JDK 9 |
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9Fixed  |
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Description
During verification of 6896624 I've got that for some probes commited size is less then init size. Test name is: dtrace/hotspot/GC/GC001 To reproduce: -->export CLASSPATH=/net/sqenfs-1.sfbay/export1/comp/vm/testbase/sqe/vm/6/build/execution/vm/bin/classes -->/net/sqenfs-1.sfbay/export1/comp/vm/testbase/sqe/vm/6/build/execution/vm/src/dtrace/share/dscripts/hotspot/GC.d -c "/net/sqenfs-1.sfbay/export1/comp/vm/jdk/hsx/hs20/pit/04/jdk7b122/product/solaris-sparc/bin/java -client -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC dtrace.hotspot.GC.GC001.GC001" Here is part of output: PROBE ARGS: mem-pool-gc-end PROBE ARGS: arg0=feea6520, (manager name pointer) PROBE ARGS: arg1=17, (manager name length) PROBE ARGS: arg2=fee85400, (pool name pointer) PROBE ARGS: arg3=10, (pool name length) PROBE ARGS: arg4=14680064, (init size) PROBE ARGS: arg5=136152, (used size) PROBE ARGS: arg6=3145728, (commited size) PROBE ARGS: arg7=4294967295, (max size) mem-pool-gc-end: G1 Old Generation->G1 Old Gen FAIL: mem-pool-gc-end: G1 Old Generation->G1 Old Gen: commited size=3145728 < init size=14680064 Also tests dtrace/hotspot/GC/GC002 dtrace/hotspot/GC/GC003 fails with same reason
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